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A209777 as a simple table

na(n)
11
21
30
41
50
62
71
80
90
103
110
121
132
140
150
162
171
183
191
200
210
229
231
240
252
262
270
282
291
302
314
320
330
346
351
361
375
384
391
403
412
423
432
440
450
4615
470
482
492
503
513
527
531
544
552
561
573
5817
592
601
616
625
631
644
652
668
673
680
690
707
712
723
739
743
751
762
770
789
791
800
812
8221
831
844
856
869
872
885
892
904
916
923
933
9416
952
962
974
985
991
1002

[1,1,0,1,0,2,1,0,0,3,0,1,2,0,0,2,1,3,1,0,0,9,1,0,
 2,2,0,2,1,2,4,0,0,6,1,1,5,4,1,3,2,3,2,0,0,15,0,2,
 2,3,3,7,1,4,2,1,3,17,2,1,6,5,1,4,2,8,3,0,0,7,2,3,
 9,3,1,2,0,9,1,0,2,21,1,4,6,9,2,5,2,4,6,3,3,16,2,2,
 4,5,1,2]